2.7.1.56	-	
2.7.1.56	ammonium sulfate, DEAE-Sephadex, partially purified	
2.7.1.56	ammonium sulfate, Sephadex G25, DEAE-Sepharose	
2.7.1.56	chimeric enzyme	
2.7.1.56	CM-Sephadex, calcium phosphate gel, Sephadex G-100, DEAE-Sephadex, hydroxyapatite	
2.7.1.56	DEAE-cellulose, ammonium sulfate, hydroxylapatite, Sephadex G-75, DEAE-cellulose	
2.7.1.56	Ni-NTA column chromatography and Superdex 200 gel filtration	
2.7.1.56	partial	
2.7.1.56	protamine sulfate, ammonium sulfate, heat, Sephadex G-100, DEAE-cellulose, partially purified